/*------------全局样式-----------*/
html,
body,
ul,
li,
span,
p,
div,
a,
form,
input,
button,
img,
h1,
h2,
h3,
h4,
h5,
h6,
header,
td,
th,
dd,
dl,
tr,
table,
footer,
main,
aside,
article,
section,
select,
option {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html {
  font-size: 100px;
}

body {
  font-size: 16px;
}

ul,
li {
  list-style: none;
}

a {
  text-decoration: none;
}

/* flex居中 */
.center-fx {
  display: flex;
  justify-content: center;
  align-items: center;
}
/* 定位居中 */
.center-ps {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
/* 左浮动 */
.fl {
  float: left;
}
/* 右浮动 */
.fr {
  float: right;
}
/* 清除浮动 */
.clearFix::after {
  display: block;
  clear: both;
  content: '';
}
.bd {
  border: 1px solid black;
}
.bd-t {
  border-top: 1px solid black;
}
.bd-b {
  border-bottom: 1px solid black;
}
.bd-l {
  border-left: 1px solid black;
}
.bd-right {
  border-right: 1px solid black;
}
